Retraction: Paper “Combined Treatment with Vitamin K2 and Bisphosphonate in Postmenopausal Women with Osteoporosis” by Iwamoto J, et al. [Yonsei Med J 2003;44(5):751-756]

We decided to retract the paper entitled ‘Combined Treatment with Vitamin K2 and Bisphosphonate in Postmenopausal Women with Osteoporosis’ [Yonsei Med J 2003;44(5):751-756] by Iwamoto J, Takeda T, Ichimura S. Based on information that were discovered after publication, we have recently become aware of a number of issues related to data duplication and scientific misconduct